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This work studies the effectiveness of a novel simultaneous transmission and reflection reconfigurable intelligent surface (STAR-RIS) aided Full-Duplex (FD) communication system. We aim to maximize the energy efficiency by jointly…

Signal Processing · Electrical Eng. & Systems 2022-04-18 Pengxin Guan , Yiru Wang , Hongkang Yu , Yuping Zhao

Wireless powered and backscattering mobile edge computing (WPB-MEC) network is a novel network paradigm to supply energy supplies and computing resource to wireless sensors (WSs). However, its performance is seriously affected by severe…

Signal Processing · Electrical Eng. & Systems 2024-03-06 Bin Lyu , Yining Zhang , Pengcheng Chen , Ziwei Liu , Feng Tian

This paper introduces a novel multi-user mobile edge computing (MEC) scheme facilitated by the simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) and the unmanned aerial vehicle (UAV). Unlike existing…

Information Theory · Computer Science 2024-09-16 Han Xiao , Xiaoyan Hu , Weile Zhang , Wenjie Wang , Kai-Kit Wong , Kun Yang

The ever-growing popularity and rapid improving of artificial intelligence (AI) have raised rethinking on the evolution of wireless networks. Mobile edge computing (MEC) provides a natural platform for AI applications since it provides rich…

Information Theory · Computer Science 2021-02-08 Shanfeng Huang , Shuai Wang , Rui Wang , Miaowen Wen , Kaibin Huang

A hardware model for active simultaneously transmitting and reflecting reconfigurable intelligent surfaces (STAR-RISs) is proposed consisting of reflection-type amplifiers. The amplitude gains of the STAR element are derived for both…

Signal Processing · Electrical Eng. & Systems 2023-02-10 Jiaqi Xu , Jiakuo Zuo , Joey Tianyi Zhou , Yuanwei Liu

Simultaneously transmitting and reflecting (STAR) reconfigurable intelligent surface (RIS), which serves users located on both sides of the surface, has recently emerged as a promising enhancement to the traditional reflective only RIS. Due…

Signal Processing · Electrical Eng. & Systems 2023-10-16 Hancheng Zhu , Yuanwei Liu , Yik Chung Wu , Vincent K. N. Lau

Space information networks (SIN) are facing an ever-increasing thirst for high-speed and high-capacity seamless data transmission due to the integration of ground, air, and space communications. However, this imposes a new paradigm on the…

Networking and Internet Architecture · Computer Science 2021-06-09 Xuelin Cao , Bo Yang , Chongwen Huang , Chau Yuen , Yan Zhang , Dusit Niyato , Zhu Han

Mobile edge computing (MEC) has been regarded as a promising technique to support latencysensitivity and computation-intensive serves. However, the low offloading rate caused by the random channel fading characteristic becomes a major…

Information Theory · Computer Science 2024-03-22 Hao Xie , Dong Li , Bowen Gu

Given the proliferation of wireless sensors and smart mobile devices, an explosive escalation of the volume of data is anticipated. However, restricted by their limited physical sizes and low manufacturing costs, these wireless devices tend…

Signal Processing · Electrical Eng. & Systems 2021-08-23 Tong Bai , Cunhua Pan , Chao Han , Lajos Hanzo

In this letter, simultaneous transmitting and reflecting reconfigurable intelligent surfaces (STAR-RISs) are studied. Compared with the conventional reflecting-only RISs, the coverage of STAR-RISs is extended to 360 degrees via simultaneous…

Signal Processing · Electrical Eng. & Systems 2021-03-30 Jiaqi Xu , Yuanwei Liu , Xidong Mu , Octavia A. Dobre

This paper investigates the design of integrated sensing and communication (ISAC) systems assisted by simultaneously transmitting and reflecting reconfigurable intelligent surfaces (STAR-RISs), which act as multi-functional programmable…

Signal Processing · Electrical Eng. & Systems 2026-02-19 Ziming Liu , Tao Chen , Giacinto Gelli , Vincenzo Galdi , Francesco Verde

Simultaneous wireless information and power transfer (SWIPT) is an effective energy-saving technology, but its efficiency is hindered by environmental factors. The introduction of reconfigurable intelligent surfaces (RIS) has alleviated…

Networking and Internet Architecture · Computer Science 2024-03-18 Junlong Yang

Different from conventional reconfigurable intelligent surfaces (RIS), a recent innovation called simultaneous transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) has emerged, aimed at achieving complete 360-degree…

Information Theory · Computer Science 2023-09-27 Abdelhamid Salem , Kai-Kit Wong , Chan-Byoung Chae , Yangyang Zhang

A novel movable-element enabled simultaneously transmitting and reflecting surface (ME-STARS) communication system is proposed, where ME-STARS elements positions can be adjusted to enhance the degress-of-freedom for transmission and…

Signal Processing · Electrical Eng. & Systems 2024-12-31 Jingjing Zhao , Quan Zhou , Xidong Mu , Kaiquan Cai , Yanbo Zhu , Yuanwei Liu

Reconfigurable intelligent surface (RIS) is a promising technology for future wireless communication systems. However, the conventional RIS can only reflect the incident signal. Hence, it provides a limited coverage, as compared to a…

Signal Processing · Electrical Eng. & Systems 2025-04-29 Sadaf Syed , Wolfgang Utschick , Michael Joham

Simultaneously transmitting and reflecting \textcolor{black}{reconfigurable intelligent surface} (STAR-RIS) is a promising implementation of RIS-assisted systems that enables full-space coverage. However, STAR-RIS as well as conventional…

This paper proposes an energy-efficient scheme for multicell multiple-input, multiple-output (MIMO) simultaneous transmit and reflect (STAR) reconfigurable intelligent surfaces (RIS)-assisted broadcast channels by employing rate splitting…

Information Theory · Computer Science 2023-06-05 Mohammad Soleymani , Ignacio Santamaria , Eduard Jorswieck

A hardware model and a signal model are proposed for dual-sided simultaneously transmitting and reflecting reconfigurable intelligent surfaces (STAR-RISs), where the signal simultaneously incident on both sides of the surface. Based on the…

Signal Processing · Electrical Eng. & Systems 2022-09-13 Jiaqi Xu , Xidong Mu , Joey Tianyi Zhou , Yuanwei Liu

A simultaneous transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) aided integrated sensing and communication (ISAC) dual-secure communication system is studied in this paper. The sensed target and legitimate users…

Signal Processing · Electrical Eng. & Systems 2024-02-28 Zhengyu Zhu , Mengfei Gong , Gangcan Sun , Peijia Liu , De Mi

In this paper, we propose a novel algorithm for energy-efficient, low-latency dynamic mobile edge computing (MEC), in the context of beyond 5G networks endowed with Reconfigurable Intelligent Surfaces (RISs). In our setting, new computing…

Signal Processing · Electrical Eng. & Systems 2021-12-22 Paolo Di Lorenzo , Mattia Merluzzi , Emilio Calvanese Strinati , Sergio Barbarossa